batgrbproduct Analysis for Trigger=630714

Analysis Summary

Notes:

======================================================================
                  BAT GRB EVENT DATA PROCESSING REPORT
    Process Script Ver: batgrbproduct v2.46
    Process Start Time (local time): Thu Feb 12 08:57:56 EST 2015
             Host Name: bat1
   Current Working Dir: /local/data/bat1/prebascript/trigger630714/GCN5_download_cron
======================================================================

  Trigger: 00630714      Segment: 000

  BAT Trigger Time: 445348344.704   [s; MET]
      Trigger Stop: 445348345.728   [s; MET]
               UTC: 2015-02-11T11:52:11.531880    [includes UTCF correction] 
       Where From?: TDRSS position message

  BAT 
    RA: 254.855542489134   Dec: 55.383164888961  [deg; J2000]

     Catalogged Source?: NO
     Point Source?:      YES
     GRB Indicated?:     YES    [ by BAT flight software ]
     Image S/N Ratio:    18.82
     Image Trigger?:     NO
     Rate S/N Ratio:     50.5272203866391  [ if not an image trigger ]
     Image S/N Ratio:    18.82

  Flight Position:   [ source = BAT ]
    RA: 254.855542489134   Dec: 55.383164888961  [deg; J2000]

  Ground Position:   [ source = BAT pre-slew burst ]
    RA: 254.844904177627   Dec: 55.3892484480019  [deg; J2000]  
        { 16h 59m 22.8s , +55d 23' 21.3" }
         +/- 0.851079977037064 [arcmin] (estimated 90% radius based on SNR)
         +/- 0.293644759238425 [arcmin] (formal 1-sigma fit error)
    SNR: 38.2966427942539
 
  Angular difference between Flight and Ground position is 0.514489 arcmin
 
  Partial Coding Fraction: 0.1640625    [ including projection effects ]

  Duration
     T90: 13.62399995327 +/- 2.02180512559101
        Measured from: -6.70799988508224
                   to: 6.91600006818771     [s; relative to TRIGTIME]
     T50: 6.45999997854233 +/- 0.317918230814021
        Measured from: -1.47599989175797
                   to: 4.98400008678436     [s; relative to TRIGTIME]



  Fluence
     Peak Flux  (peak 1 second)
        Measured from: 4.36000001430511     
                   to: 5.36000001430511     [s; relative to TRIGTIME]
     Total Fluence        
        Measured from: -11.6240000128746     
                   to: 9.18000000715256     [s; relative to TRIGTIME]
     
             Band 1     Band 2     Band 3     Band 4
              15-25      25-50     50-100    100-350     keV
 Total     1.457889   3.218141   3.148356   0.970620
           0.076204   0.088591   0.085226   0.070803 [error]
 Peak      0.265664   0.524167   0.514074   0.107671
           0.022232   0.027331   0.027434   0.019495 [error]

     [ fluence units of on-axis counts / fully illuminated detector ] 

======================================================================
 
=== Fluence/Peak Flux Summary ===
 
              Model    Band1    Band2    Band3    Band4    Band5    Total      
                       15-25    25-50   50-100  100-350   15-150   15-350   keV
Fluence   Power-law 6.92e-07 1.45e-06 2.39e-06 8.86e-06 6.58e-06 1.34e-05   erg/cm2
              Error 4.28e-08 5.45e-08 8.33e-08 6.84e-07 2.14e-07 7.27e-07   erg/cm2
Peak flux Power-law 3.70e+00 4.08e+00 3.22e+00 4.19e+00 1.26e+01 1.52e+01   ph/cm2/s
              Error 3.77e-01 2.66e-01 2.12e-01 5.47e-01 7.51e-01 8.87e-01   ph/cm2/s
 
Fluence   Cutoff-PL 5.89e-07 1.51e-06 2.56e-06 4.35e-06 6.44e-06 9.01e-06   erg/cm2
              Error 5.32e-08 6.11e-08 1.04e-07 1.00e-06 2.24e-07 9.99e-07   erg/cm2
Peak flux Cutoff-PL 2.97e+00 4.40e+00 3.62e+00 1.91e+00 1.22e+01 1.29e+01   ph/cm2/s
              Error 4.58e-01 3.14e-01 2.76e-01 6.01e-01 7.63e-01 9.63e-01   ph/cm2/s
 
Fluence        Band -------- -------- -------- -------- -------- --------   erg/cm2
              Error -------- -------- -------- -------- -------- --------   erg/cm2
Peak flux      Band 2.97e+00 4.40e+00 3.62e+00 2.11e+00 1.22e+01 1.31e+01   ph/cm2/s
              Error -------- -------- -------- -------- -------- --------   ph/cm2/s
 
=== Time-averaged spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.283    0.053    -      -           3.19e-02 1.00e-03  105.860 57
CPL   0.639    0.233     121.5   26.5      6.17e-02 1.45e-02   80.420 56
 
 
=== 1-s peak spectral analysis ===
 
Model Ph_index Ph_90err Epeak  Epeak_90err Norm     Nomr_90err chi2   dof
PL    1.343    0.090    -      -           1.04e-01 6.01e-03   78.100 57
CPL   0.367    0.432      91.8   20.9      3.00e-01 1.43e-01   59.740 56
 
Model      : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index   : photon index: E^-{Ph_index} (minus sign is not included in the index)
Ph_90err   : 90% error of the photon index
Epeak      : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm       : normalization at 50 keV in PL model and at 1 keV in CPL model
Nomr_90err : 90% error of the normalization
chi2       : Chi-Squared
dof        : degree of freedom
 
=== T90/T50 calculation in the 50-300 keV band (BATSE band) using 64 ms lc ===
 
T90 in the 50-300 keV band: 13.568000 sec.
T50 in the 50-300 keV band: 6.592000 sec.
 
=== Table of the duration information ==
 
        Value   tstart    tstop
T100   20.804  -11.624    9.180
T90    13.624   -6.708    6.916
T50     6.460   -1.476    4.984
Peak    1.000    4.360    5.360

Image

Pre-slew 15-350 keV image (Event data; bkg subtracted)

#   RAcent  DECcent POSerr  Theta    Phi     Peak Cts     SNR  Name
  254.8449 +55.3892 0.0050   49.6   13.3       9.2239    38.3  TRIG_00630714       
------------------------------------------
 
Foreground time interval of the image:
-11.624   9.180 (delta_t =  20.804 [sec])
Background time interval of the image:
-239.704 -11.624 (delta_t = 228.080 [sec])

Lightcurves

Notes:

1 s binning

From T0-310 s to T0+310 s
From T100_start - 20 s to T100_end + 30 s
Full time interval

64 ms binning

Full time interval
From T100_start to T100_end
From T0-5 sec to T0+5 sec

16 ms binning

From T100_start-5 s to T100_start+5 s

8 ms binning

From T100_start-3 s to T100_start+3 s

2 ms binning

From T100_start-1 s to T100_start+1 s

SN=5 or 10 sec. binning (whichever binning is satisfied first)

SN=5 or 10 sec. binning (T < 200 sec)

Spectra

Notes:

Time averaged spectrum fit using the pre-slew DRM

Power-law model
Time interval is from  -11.624 sec. to    9.180 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.28345     ( -0.0530176   0.0527859 )
Norm@50keV  : 3.18986E-02    ( -0.00100322   0.00100274 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         105.86 using 59 PHA bins.
# Reduced chi-squared =         1.8572 for     57 degrees of freedom 
# Null hypothesis probability =   9.082830e-05
 
Photon flux (15-150 keV)    in 20.8 sec: 3.79424 ( -0.128668  0.128914 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.58339e-06 ( -2.13878e-07  2.1402e-07 ) ergs/cm2
 
Cutoff power-law model
Time interval is from  -11.624 sec. to    9.180 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.639256     ( -0.239545   0.227233 )
Epeak [keV] : 121.519      ( -18.2251 34.7148 )
Norm@50keV  : 6.16959E-02    ( -0.0124912   0.0165115 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.42 using 59 PHA bins.
# Reduced chi-squared =          1.436 for     56 degrees of freedom 
# Null hypothesis probability =   1.792650e-02
 
Photon flux (15-150 keV)    in 20.8 sec: 3.68066 ( -0.13331  0.13371 ) ph/cm2/s
Energy fluence (15-150 keV)             : 6.43716e-06 ( -2.24598e-07  2.23746e-07 ) ergs/cm2
 
Band function
Time interval is from  -11.624 sec. to    9.180 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.639220   ( -0.184912   0.248893 )
beta        : -10.0000    ( 10   1.77636e-15 )
Epeak [keV] : 121.499      ( -10.6227 34.7232 )
Norm@50keV   : 6.16966E-02    ( -0.0125038   0.0164933 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          80.42 using 59 PHA bins.
# Reduced chi-squared =          1.462 for     55 degrees of freedom 
# Null hypothesis probability =   1.433244e-02
 
Photon flux (15-150 keV)    in 20.8 sec: 3.68816 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 0 ( 0  0 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 19.2618  (  )
R^2/D10^2   : 0.196823  (   )
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =         219.56 using 59 PHA bins.
# Reduced chi-squared =         3.8519 for     57 degrees of freedom 
# Null hypothesis probability =   6.342839e-21
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  2.971e-07   1.789e-08
25- 50  1.443e-06   6.458e-08
50-150  3.944e-06   1.903e-07
15-150  5.683e-06   2.059e-07
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 199.363       (      )
Norm        : 16.2162       (     )
------------------------------------------------------------
#Fit statistic : Chi-Squared =         173.04 using 59 PHA bins.
# Reduced chi-squared =         3.0359 for     57 degrees of freedom 
# Null hypothesis probability =   1.256195e-13
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  8.399e-07   2.954e-08
25- 50  1.616e-06   5.543e-08
50-150  3.543e-06   1.144e-07
15-150  5.999e-06   2.028e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 9.07413        (-1.11783      1.23119)
R1^2/D10^2  : 1.33438        (-0.402525      0.63913)
kT2 [keV]   : 30.4764        (-3.23698      4.70598)
R2^2/D10^2  : 3.28358E-02    (-0.0132472   0.0170657)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          73.38 using 59 PHA bins.
# Reduced chi-squared =          1.334 for     55 degrees of freedom 
# Null hypothesis probability =   4.943542e-02
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.451e-07   7.176e-08
25- 50  1.572e-06   1.334e-07
50-150  4.354e-06   5.002e-07
15-150  6.472e-06   6.646e-07

Peak spectrum fit

Power-law model
Time interval is from    4.360 sec. to    5.360 sec.
 
Spectral model in power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 1.34269     ( -0.0904256   0.090571 )
Norm@50keV  : 0.104394    ( -0.00600564   0.00600516 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          78.10 using 59 PHA bins.
# Reduced chi-squared =          1.370 for     57 degrees of freedom 
# Null hypothesis probability =   3.322883e-02
 
Photon flux (15-150 keV)    in 1 sec: 12.5577 ( -0.750218  0.751193 ) ph/cm2/s
Energy fluence (15-150 keV)             : 1.02127e-06 ( -6.29614e-08  6.30888e-08 ) ergs/cm2
 
Cutoff power-law model
Time interval is from    4.360 sec. to    5.360 sec.
Spectral model in the cutoff power-law:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
Photon index: 0.367090     ( -0.452167   0.410965 )
Epeak [keV] : 91.8164      ( -13.7414 28.0406 )
Norm@50keV  : 0.300305    ( -0.105438   0.180951 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.74 using 59 PHA bins.
# Reduced chi-squared =          1.067 for     56 degrees of freedom 
# Null hypothesis probability =   3.415443e-01
 
Photon flux (15-150 keV)    in 1 sec: 12.2134 ( -0.7625  0.7636 ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.92118e-07 ( -6.6174e-08  6.5942e-08 ) ergs/cm2
 
Band function
Time interval is from    4.360 sec. to    5.360 sec.
 
Spectral model in the Band function:
------------------------------------------------------------
Parameters  : value       lower 90%   higher 90%
alpha       : -0.321050   ( -0.435777   1.02187 )
beta        : -2.38139    ( 2.38139   0.743924 )
Epeak [keV] : 88.9147      ( -32.963 30.7377 )
Norm@50keV   : 0.318510    ( -0.119759   1.0171 )
------------------------------------------------------------
#Fit statistic : Chi-Squared =          59.74 using 59 PHA bins.
# Reduced chi-squared =          1.086 for     55 degrees of freedom 
# Null hypothesis probability =   3.077260e-01
 
Photon flux (15-150 keV)    in 1 sec: 12.2029 (    ) ph/cm2/s
Energy fluence (15-150 keV)             : 9.88493e-07 ( -9.88486e-07  -6.5473e-08 ) ergs/cm2
 
Single BB
 
Spectral model blackbody:
------------------------------------------------------------
Parameters  : value    Lower 90%  Upper 90%
kT [keV]    : 17.6813  (-1.12861  1.21246)
R^2/D10^2   : 0.892059  (-0.182535   0.226574)
(R is the radius in km and D10 is the distance to the source in units of 10 kpc)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          92.56 using 59 PHA bins.
# Reduced chi-squared =          1.624 for     57 degrees of freedom 
# Null hypothesis probability =   2.017580e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  5.615e-08   6.035e-09
25- 50  2.562e-07   2.080e-08
50-150  5.786e-07   5.470e-08
15-150  8.910e-07   5.835e-08
Thermal bremsstrahlung (OTTB)
 
 
Spectral model: thermal bremsstrahlung
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT [keV]    : 200.000       (      )
Norm        : 52.7594       (-3.04728     3.04692)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          85.12 using 59 PHA bins.
# Reduced chi-squared =          1.493 for     57 degrees of freedom 
# Null hypothesis probability =   9.274472e-03
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  1.314e-07   8.700e-09
25- 50  2.528e-07   1.680e-08
50-150  5.544e-07   1.224e-07
15-150  9.386e-07   1.256e-07
Double BB
 
 
Spectral model: bbodyrad<1> + bbodyrad<2>
------------------------------------------------------------
Parameters  : value         Lower 90%    Upper 90%
kT1 [keV]   : 7.97569        (-2.05571      2.79444)
R1^2/D10^2  : 6.00698        (-3.27066      9.23076)
kT2 [keV]   : 24.6480        (-3.54798      7.46021)
R2^2/D10^2  : 0.226854    (-0.14953   0.112506)
------------------------------------------------------------
#Fit statistic : Chi-Squared =          58.83 using 59 PHA bins.
# Reduced chi-squared =          1.070 for     55 degrees of freedom 
# Null hypothesis probability =   3.372222e-01
 
Energy  Fluence     90% Error
[keV]   [erg/cm2]   [erg/cm2]
15- 25  9.306e-08   3.206e-08
25- 50  2.559e-07   7.875e-08
50-150  6.444e-07   1.805e-07
15-150  9.933e-07   2.572e-07
Plot creation:
Thu Feb 12 09:01:18 EST 2015